Challenge: Unidirectional Associations

Test your understanding of unidirectional associations with this challenge.

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Problem statement

This challenge requires you to complete the following tasks:

  1. Make an OO class model that’s derived from the given design model by replacing associations with corresponding reference properties.
  2. Make a JavaScript class model that is derived from the OO class model by implementing the check and setter methods.

This challenge is based on the information design model shown below.

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